Simply Conserve T8 linear 32-Watt EQ 48-in Cool White Medium Bi-pin (t8) Linear Type A LED Tube Light Bulb (25-Pack) in the LED Tube Light Bulbs department at Lowes.com
Amazon.com: Philips LED Mainsfit 3-Foot T8 Tube Glass Light Light Bulb, 1400 Lumen, Cool White Light (4000K), 11.5W=25W, Medium Bi-Pin G13 Base, 4-Pack : Everything Else
LED light tubes - fluorescent replacement | Philips lighting
Amazon.com: NYLL - 3 FT/ 36” Plug & Play LED Tube - Cool White (4100K) T8 LED Directly Relamp 30W Fluorescent Bulbs F30T8/CW, F30T12/CW, F30W/840 FO25/841 (Without rewiring or Modification) - Ballast